militarily anything there was the u.s. could do to stop the assad regime from using chemical weapons. >> the act of preventing the use of chemical weapons wash almost unachievable, jennifer, you have to have such clarity of intelligence, you know, persistent surveillance. you would have to see it before it happened. that's unlikely, to be sure. on the other hand, you know, our collaboration with regional partners, turkey, israel, i talked to my counter part yesterday, jordan. we have a planning element in jordon. messaging such as our president for the use of chemical weapons those responsible would be held accountable. i think syria must understand by now that the use of chemical weapons is unacceptable. to that extend, it provides a value. but preventing if t, if they decide to use it i think we would be reacting. >> expire after sixty days?